CN110526591A - A kind of conductive carbon nanotube coating glass fiber preparation method and device - Google Patents
A kind of conductive carbon nanotube coating glass fiber preparation method and device Download PDFInfo
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- CN110526591A CN110526591A CN201910978505.8A CN201910978505A CN110526591A CN 110526591 A CN110526591 A CN 110526591A CN 201910978505 A CN201910978505 A CN 201910978505A CN 110526591 A CN110526591 A CN 110526591A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 68
- 238000000576 coating method Methods 0.000 title claims abstract description 66
- 239000011248 coating agent Substances 0.000 title claims abstract description 62
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000003365 glass fiber Substances 0.000 title claims abstract description 58
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 33
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 65
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000011261 inert gas Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 229920000642 polymer Polymers 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000005336 cracking Methods 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims description 13
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000011247 coating layer Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 238000002203 pretreatment Methods 0.000 claims description 2
- 229920002521 macromolecule Polymers 0.000 claims 1
- 239000002103 nanocoating Substances 0.000 abstract description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005234 chemical deposition Methods 0.000 abstract description 2
- 239000011152 fibreglass Substances 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 21
- 239000002243 precursor Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000112 cooling gas Substances 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
- C03C25/22—Deposition from the vapour phase
- C03C25/223—Deposition from the vapour phase by chemical vapour deposition or pyrolysis
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/42—Coatings containing inorganic materials
- C03C25/44—Carbon, e.g. graphite
Abstract
The present invention discloses a kind of conductive carbon nanotube coating glass fiber preparation method and device, and device mainly includes coating controllable preparation device, puts silk device, pretreating device, drying unit, wrap-up and exhaust gas processing device etc..Wherein, Seal treatment can be done in coating controllable preparation device, inert gas can be passed through and exclude air, coating controllable preparation device mainly includes heating and heat-insulating device, heating cabinet, vacuum inert gas output device, cooling device and flow control system.The present invention proposes a kind of new conductive carbon nanotube coating glass fiber preparation method and equipment, it can be realized carbon nano coating long glass fiber serialization preparation, reach electrical and thermal conductivity performance, expand the application field of material, the gases such as methane are replaced using solid polymer as carbon source, it is at low cost；Using the method for cracking chemical deposition growth, carbon nano coating is grown in fiberglass surfacing, realizes the controllable preparation of coating by control process conditions during prepares coating.
Description
Technical field
The invention mainly relates to electroconductive glass fibre preparation field more particularly to a kind of conductive carbon nanotube coating glass fibers
Technology of preparing and device.
Background technique
In recent years, with the fast development of the industries such as aerospace, micro-nano element and electronic device, fibre reinforced materials
By the attention of every profession and trade and scientific research institutions, especially using glass fibre as the inorganic non-metallic material of representative.However, glass fibers
Dimension mainly realizes the reinforcing effect in terms of Compound Material Engineering, cannot achieve in the conductive, thermally conductive and electric of specific environment requirement
The performance of magnetic screen constrains further applying for glass fiber material.
Currently, research is less in terms of being directed to the preparation of electroconductive glass fibre, Chinese patent CN106280371 and
CN106496881 uses physics coating method, and glass is immersed containing in conductive materials solvent, coats conductive material in fiber surface
Matter is prepared for conductive fiber；Chinese patent CN106830693 using conductive metal is added in glass raw material, prepare again by wire drawing
Conductive fiber.Both the above mode is the existing main method for preparing electroconductive glass fibre, but complex process, higher cost,
It is not easily accomplished large scale preparation and application.
Summary of the invention
In view of the above problems, the present invention proposes a kind of conductive carbon nanotube coating glass fiber preparation method and device, use
The method of polymer cracking vapor deposition growth coating is, it can be achieved that the long stapled continuous preparation of electro-conductive glass.The present invention is with poly- second
The solid polyolefins hydro carbons materials such as alkene (PE), polyvinyl chloride (PVC) are added in oxygen-free environment using laser or high temperature furnace as carbon source
Heat, solid polymer carbon source Pintsch process, the c h bond and C-C key of high molecular material are broken, and obtain free active atoms of carbon,
Carbon atom is in SiO2Silicon carbide is prepared in upper growth, and further generates graphite ene coatings, so that it is higher to have glass fibre
Electric conductivity.This method innovative design go out surface covering controllable preparation device, it can be achieved that conductive coating thickness controllable preparation；Together
When combine pretreating device, drying and heating device and collection device etc., formed electro-conductive glass long fibre continuously prepare production line,
It can be realized long stapled controllable, continuous, the green preparation of electro-conductive glass.Realize the method that above-mentioned purpose uses are as follows: the first step, it will
Solid polymer carbon source PE etc. is put into the heating cabinet of coating controllable preparation device, heating cabinet closing；Second step, heating cabinet are taken out true
Sky is simultaneously passed through inert gas；Third step is made the high-temperature heating cracking of solid polymer carbon source, is obtained using laser or high temperature stove heating
To free active atoms of carbon；4th step, glass fibre enter coating controllable preparation device after pre-treatment is dried；5th
Active atoms of carbon in step, coating controllable preparation device in heating cabinet is grown on glass surface, finally prepares electrical-conductive nanometer painting
Layer.
The device that a kind of conductive carbon nanotube coating glass fiber preparation method of the present invention uses is mainly controllable including coating
Standby device puts silk device, pretreating device, drying unit, wrap-up and exhaust gas processing device etc..Wherein, coating is controllable
Seal treatment can be done in standby device, inert gas can be passed through and exclude air, coating controllable preparation device mainly includes heating and thermal insulation
Device, heating cabinet, vacuum inert gas output device, cooling device and flow control system.Heating device can be used electric heating,
Heating plasma or laser heating etc. heat heating cabinet；Heap has the high molecular materials such as polyethylene in heating cabinet；Heating
It is attemperator outside storehouse；Vacuum evacuation device can carry out vacuumize process to heating cabinet；Cooling device can produce cold air；Flow control
System processed can be used flow control valve, and flow control system can control high molecular material to decompose and generate material stream output and cold air
Discharge rate.
The pretreating device that a kind of conductive carbon nanotube coating glass fiber preparation method of the present invention uses can be to glass fibre
Filament surfaces are handled impurity removal and the modification on glass surface, it can be achieved that fiberglass surfacing.Drying unit can be right
Glass fibre after surface treatment carries out drying and processing, while certain preheating is carried out to fiber.
What a kind of conductive carbon nanotube coating glass fiber preparation method of the present invention used put silk device and wrap-up is mutual
Cooperate the movement speed in the coating procedure of controllable glass fibre, while being supplied to the certain pretightning force of glass fibre.
Flow control in a kind of conductive carbon nanotube coating glass fiber preparation method coating controllable preparation device of the present invention
System is divided into heating device flow control system and cooling device flow control system.Heating device flow control system passes through stream
Measure the discharge rate of valve control heating cabinet interpolymer decomposition product；Cooling device flow control system is but filled by on-off valve control refrigeration
Set the cold air of generation.Wherein, the gas that cooling device generates is nitrogen or inert gas.
A kind of conductive carbon nanotube coating glass fiber preparation method of the present invention, coating controllable preparation device can be done at closing
Reason is passed through inert gas and excludes oxygen；When glass fibre is moved to heating cabinet polymer cracking object outlet, laser pair can be used
Glass fibre is heated, and growth quality is improved.
A kind of conductive carbon nanotube coating glass fiber preparation method of the present invention, the heating cabinet warp in coating controllable preparation device
Vacuum inert gas output device can be vacuum-treated, and can also be passed through inert gas.It is heating and heat-insulating device outside heating cabinet, prevents
Only heat losses.Heating cabinet is equipped with opening, can periodically add polymeric carbon source.
A kind of conductive carbon nanotube coating glass fiber preparation method of the present invention, the conductive carbon nanotube coated glass prepared are fine
The microstructure of dimension are as follows: inside is glass fibre, and outside is carbon nano coating.Carbon nano coating is graphene-structured or class graphite
Alkene structure, carbon nano coating thickness is controllable according to the achievable thickness of technique difference, and coating layer thickness can be 1nm-200nm.
A kind of conductive carbon nanotube coating glass fiber preparation method of the present invention, the conductive carbon nanotube coated glass prepared are fine
The technological parameter of dimension specifically includes that heating cabinet heating temperature up to 600 DEG C -3000 DEG C；Electroconductive glass fibre prepares movement speed
For 1-100mm/min；Conductive fiber preparation puts silk device and sets certain collection device draw ratio as 1:1-1:1.1 or using permanent
Tension force；Conductive fiber can monofilament preparation perhaps multifibres preparation can also single beam or multi beam preparation.
The present invention proposes a kind of conductive carbon nanotube coating glass fiber preparation method and device, the invention main innovation point packet
It includes: (1) proposing that a kind of new conductive carbon nanotube coating glass fiber structure uses carbon nano coating to coat glass fibre, realization is led
Conductance hot property；(2) gases such as methane are replaced using polyolefins such as solid polymer PE or PVC as carbon source, it is at low cost；
(3) a kind of new coating controllable preparation mode is being proposed, using the method for cracking chemical deposition growth, in prepares coating process
In by control process conditions realize coating controllable preparation；(4) present invention proposes a kind of new conductive carbon nanotube coated glass
Fiber producing processes and equipment can be realized carbon nano coating long glass fiber serialization preparation, reach electrical and thermal conductivity performance, expand
The application field of big material.
Detailed description of the invention
Fig. 1 is a kind of conductive carbon nanotube coating glass fiber preparation facilities schematic diagram of the present invention.
Fig. 2 is a kind of conductive carbon nanotube coated glass of conductive carbon nanotube coating glass fiber preparation facilities preparation of the present invention
Fibre section schematic diagram.
In figure: 1- wrap-up, 2- cooling device, 3- cooling gas control switch, 4- heating cabinet flow valve, 5- heating and
Attemperator, 6- heating cabinet, 7- high molecular material, 8- control system, 9- drying unit, 10- pretreating device, 11- put silk dress
It sets, 12- exhaust gas processing device, 13- glass fiber precursor, 14- conductive carbon nanotube coated fiber, 15- carbon nano coating, 16- glass
Glass fiber, 17- coating controllable preparation device.
Specific embodiment
A kind of conductive carbon nanotube coating glass fiber preparation facilities of the present invention, mainly include wrap-up 1, cooling device 2,
Cooling gas control switch 3, heating cabinet flow valve 4, heating and attemperator 5, heating cabinet 6, high molecular material 7, control system
8, drying unit 9, pretreating device 10, to put silk device 11, exhaust gas processing device 12, glass fiber precursor 13, coating controllable
Standby device 17 and vacuum inert gas output device, wherein Seal treatment can be done in coating controllable preparation device 17, can be passed through lazy
Property gas exclude air, heating and attemperator, heating cabinet, vacuum evacuation device, cooling device, attemperator and flow control system
System and vacuum inert gas output device belong to coating controllable preparation device 17, each section device correlation as shown in Figure 1,
Glass fiber precursor 13 can be entered in pretreating device 10 by putting silk device 11；Pretreating device 10, drying unit 9 and coating
Controllable preparation device 17 connects；In coating controllable preparation device 17, heating cabinet 6 and cooling device 2 are located at 16 liang of glass fibre
Side；Fill high molecular material 7 in heating cabinet 6, be heating and attemperator 5 outside heating cabinet 6, heating cabinet 6 also with vacuum inert
Gas output device is connected；Cooling gas control switch 3 and heating cabinet flow valve 4 are separately connected the outlet of cooling device 2 and heating
Storehouse 6 exports, and close to fiber；Exhaust gas processing device 12 collects the exhaust gas generated in coating controllable preparation device 17 and processing；Control
System 8 processed controls the technological parameter of conductive fiber continuous production preparation；The conductive carbon nanotube coated fiber 14 of preparation is by winding
Device 1 is collected.
The present invention is intended to provide a kind of conductive carbon nanotube coating glass fiber preparation method, as shown in Figure 1 from right to left
Technical process, specific embodiment are as follows: (1) glass fiber precursor 13 is entered in pretreating device 10 by putting silk device 11, glass
Glass fiber precursor 13 is surface-treated and is modified.(2) glass fiber precursor 13 is further moved in drying unit 9 and is dried
Dry-cure, and fiber is preheated.(3) vacuum inert gas output device is to the heating cabinet in coating controllable preparation device 17
6 vacuumize or are passed through inert gas removal oxygen, and the heating of heating cabinet 6 carries out heat resolve to high molecular material 7, and decomposition temperature is big
In 600 DEG C, it is broken polymer C-C key and c h bond.(4) heating cabinet flow valve 4 is opened, and the product that cracking generates quantitatively is passed through
The outlet of heating cabinet flow valve 4 is discharged to fiber surface and carries out coatings growth, in 13 Surface Creation of glass fiber precursor carbon nanometer
Coating 14；Heating cabinet flow valve 4 is opened while opening exhaust gas processing device 12, generates to obtain exhaust gas in coating controllable preparation device 17
It is collected through exhaust gas processing device 17 and handles the starting of (5) cooling device 2, cooling gas control switch 3 is opened, the inertia of outflow
Gas or nitrogen cool down the conductive carbon nanotube coated fiber 14 of acquisition.(6) fiber after carbon nano coating is conduction
Carbon nano coating fiber 14 is successively prepared, and is wound by wrap-up 1, until the high molecular material 7 in heating cabinet 6 divides
Solution finishes, and rejoins in heating cabinet 6 and high molecular material 7 is added, proceed as described above.The knot of conductive carbon nanotube coated fiber 14
Structure is as shown in Figure 2.Conductive coating fiber continuous production during the preparation process, control system 8 control each technological parameter, it can be achieved that
The preparation of different size fiber.
Claims (5)
1. a kind of conductive carbon nanotube coating glass fiber preparation method, it is characterised in that: the first step puts solid polymer carbon source
In the heating cabinet for entering coating controllable preparation device, heating cabinet closing；Second step, heating cabinet vacuumize and are passed through inert gas；The
Three steps are made the high-temperature heating cracking of solid polymer carbon source, are obtained free active atoms of carbon using laser or high temperature stove heating；
4th step, glass fibre enter coating controllable preparation device after pre-treatment is dried；In 5th step, coating controllable preparation device
Active atoms of carbon in heating cabinet is grown on glass surface, finally prepares electrical-conductive nanometer coating.
2. a kind of conductive carbon nanotube coating glass fiber preparation method according to claim 1, it is characterised in that: third step
When middle glass fibre is moved to heating cabinet polymer cracking object outlet, glass fibre is heated using laser.
3. a kind of conductive carbon nanotube coating glass fiber preparation method according to claim 1, it is characterised in that: carbon nanometer
Coating layer thickness is 1nm-200nm.
4. a kind of conductive carbon nanotube coating glass fiber preparation method according to claim 1, it is characterised in that: heating cabinet
Heating temperature is 600 DEG C -3000 DEG C；It is 1-100mm/min that electroconductive glass fibre, which prepares movement speed,.
5. a kind of conductive carbon nanotube coating glass fiber preparation facilities, it is characterised in that: mainly include coating controllable preparation device,
Put silk device, pretreating device, drying unit, wrap-up and exhaust gas processing device etc., wherein in coating controllable preparation device
Seal treatment can be done, inert gas can be passed through and exclude air, coating controllable preparation device mainly includes heating and heat-insulating device, heating
Storehouse, vacuum inert gas output device, cooling device and flow control system, heap has the macromolecules material such as polyethylene in heating cabinet
Material；It is heating and heat-insulating device outside heating cabinet；Vacuum evacuation device can carry out vacuumize process to heating cabinet；Cooling device can produce
Cold air；Flow control valve can be used in flow control system, and flow control system can control high molecular material to decompose and generate material stream
The discharge rate of output and cold air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910978505.8A CN110526591A (en) | 2019-10-15 | 2019-10-15 | A kind of conductive carbon nanotube coating glass fiber preparation method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910978505.8A CN110526591A (en) | 2019-10-15 | 2019-10-15 | A kind of conductive carbon nanotube coating glass fiber preparation method and device |
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| Publication Number | Publication Date |
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| CN110526591A true CN110526591A (en) | 2019-12-03 |
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| CN201910978505.8A Pending CN110526591A (en) | 2019-10-15 | 2019-10-15 | A kind of conductive carbon nanotube coating glass fiber preparation method and device |
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Cited By (2)
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|---|---|---|---|---|
| CN113321430A (en) * | 2021-06-25 | 2021-08-31 | 北京石墨烯研究院 | Method for preparing graphene glass fibers |
| US11611029B2 (en) | 2020-05-21 | 2023-03-21 | Saudi Arabian Oil Company | Methods to harvest thermal energy during subsurface high power laser transmission |
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Cited By (3)
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| CN113321430B (en) * | 2021-06-25 | 2022-12-20 | 北京石墨烯研究院 | Method for preparing graphene glass fibers |
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Application publication date: 20191203 |